logilab-common #6213577 ChangeLogEntry should write unicode objects [validation pending]

instead of str

prioritynormal
typebug
done in1.2.1
load left0.000
closed by#69d37ec8a2d1 [changelog] ensure ChangeLogEntry write unicode (closes #6213577)
patch[changelog] ensure ChangeLogEntry write unicode (closes #6213577) [applied]